Auto darkening helmets and DIN rating

[Tom Kroegel]

These helmets usually come with 9-13 adjustable DIN setting. What is a good setting for this?

[canoecruiser]

These helmets usually come with 9-13 adjustable DIN setting. What is a good setting for this?

It depends. What welding process are you using? Set it light enough that you can clearly see the weld puddle but dark enough that it's comfortable to view it.